Versions

6.3.9600.16384 (winblue_rtm.130821-1623)	5.49%
6.3.9431.0 (winmain_bluemp.130615-1214)	0.61%
6.2.9200.16384 (win8_rtm.120725-1247)	3.66%
6.2.9200.16384 (win8_rtm.120725-1247)	18.90%
6.1.7601.17514 (win7sp1_rtm.101119-1850)	14.63%
6.1.7601.17514 (win7sp1_rtm.101119-1850)	31.71%
6.1.7600.16385 (win7_rtm.090713-1255)	3.66%
6.1.7600.16385 (win7_rtm.090713-1255)	5.49%
6.00.2900.5512 (xpsp.080413-2105)	4.88%
6.00.2900.5512 (xpsp.080413-2105)	0.61%
6.00.2900.3311 (xpsp.080212-0004)	1.22%
6.0.6001.18000 (longhorn_rtm.080118-1840)	1.22%
6.0.6001.18000 (longhorn_rtm.080118-1840)	7.93%

This is a Windows system installed file with Windows File Protection (WFP) enabled.

LogonUI.exe has 13 known versions, the most recent one is 6.3.9600.16384 (winblue_rtm.130821-1623). LogonUI.exe is run as a standard windows process in the context of the SYSTEM account with extensive privileges. The average file size is about 127.5 KB. During the process's lifecycle, the typical CPU resource utilization is less than 0.01%, the average private memory consumption is about 11.8 MB with the maximum memory reaching around 21.66 MB. Addionally, typically read and write I/O disk operations is about 14.38 KB per minute for reads and 1.1 KB per minute for writes.

Windows Logon UI (LogonUI.exe) implements the graphical user interface shown when a user is asked to log in to the local machine.